1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24  /*
  25   @test
  26   @bug 5003402 8151588
  27   @summary TextArea must scroll automatically when calling append and select,
  28            even when not in focus.
  29   @run main AutoScrollOnSelectAndAppend
  30  */
  31 
  32 import java.awt.Button;
  33 import java.awt.FlowLayout;
  34 import java.awt.Frame;
  35 import java.awt.Point;
  36 import java.awt.Robot;
  37 import java.awt.TextArea;
  38 import java.awt.event.InputEvent;
  39 import java.awt.event.MouseAdapter;
  40 import java.awt.event.MouseEvent;
  41 
  42 public class AutoScrollOnSelectAndAppend {
  43 
  44     Frame frame;
  45     TextArea textArea;
  46     Button buttonHoldFocus;
  47     Robot robot;
  48     int test;
  49     int selectScrollPos1;
  50     int selectScrollPos2;
  51     String selectionText;
  52 
  53     public void composeTextArea() {
  54         String filler = "";
  55         // Add 10 rows of text for first selection auto scroll test.
  56         for (int i = 0; i < 2; i++) {
  57             for (int j = 0; j < 5; j++) {
  58                 filler = filler + i + i + "\n";
  59             }
  60         }
  61         selectScrollPos1 = filler.length();
  62         String text = filler + "FirstScroll\n";
  63 
  64         // Add 10 more rows of text for second selection auto scroll test.
  65         filler = "";
  66         for (int i = 2; i < 4; i++) {
  67             for (int j = 0; j < 5; j++) {
  68                 filler = filler + i + i + "\n";
  69             }
  70         }
  71         text = text + filler;
  72         selectScrollPos2 = text.length();
  73         text = text + "SecondScroll\n";
  74 
  75         // Add 10 more rows of text for append text auto scroll test.
  76         filler = "";
  77         for (int i = 4; i < 6; i++) {
  78             for (int j = 0; j < 5; j++) {
  79                 filler = filler + i + i + "\n";
  80             }
  81         }
  82         text = text + filler;
  83         textArea.setText(text);
  84 
  85         textArea.addMouseListener(new MouseAdapter() {
  86             @Override
  87             public void mouseClicked(MouseEvent e) {
  88                 if (e.getClickCount() % 2 == 0) {
  89                     if (!(textArea.getSelectedText().contains(selectionText))) {
  90                         dispose();
  91                         throw new RuntimeException("Test No: " + test +
  92                             ": TextArea is not auto scrolled to show the" +
  93                             " select/append text.");
  94                     }
  95                 }
  96             }
  97         });
  98     }
  99 
 100     public AutoScrollOnSelectAndAppend() {
 101         try {
 102             robot = new Robot();
 103         } catch (Exception ex) {
 104             throw new RuntimeException("Robot Creation Failed.");
 105         }
 106         frame = new Frame();
 107         frame.setSize(200, 200);
 108         frame.setLayout(new FlowLayout());
 109 
 110         textArea = new TextArea(5, 20);
 111         composeTextArea();
 112         frame.add(textArea);
 113 
 114         buttonHoldFocus = new Button("HoldFocus");
 115         frame.add(buttonHoldFocus);
 116 
 117         frame.setVisible(true);
 118         robot.waitForIdle();
 119 
 120         // Move mouse cursor on first row of text area.
 121         Point loc = textArea.getLocationOnScreen();
 122         robot.mouseMove(loc.x + 8, loc.y + 8);
 123         robot.waitForIdle();
 124     }
 125 
 126     public void doubleClick() {
 127         // Delay to make sure auto scroll is finished.
 128         robot.waitForIdle();
 129         robot.delay(500);
 130         robot.mousePress(InputEvent.BUTTON1_MASK);
 131         robot.mouseRelease(InputEvent.BUTTON1_MASK);
 132         robot.delay(100);
 133         robot.mousePress(InputEvent.BUTTON1_MASK);
 134         robot.mouseRelease(InputEvent.BUTTON1_MASK);
 135         robot.waitForIdle();
 136     }
 137 
 138     public void setFocusOnButton() {
 139         buttonHoldFocus.requestFocusInWindow();
 140         robot.waitForIdle();
 141     }
 142 
 143     public void selectAutoScrollTest1() {
 144         test = 1;
 145         setFocusOnButton();
 146         textArea.select(selectScrollPos1, selectScrollPos1);
 147         selectionText = "11";
 148         doubleClick();
 149     }
 150 
 151     public void selectAutoScrollTest2() {
 152         test = 2;
 153         setFocusOnButton();
 154         textArea.select(selectScrollPos2, selectScrollPos2);
 155         selectionText = "33";
 156         doubleClick();
 157     }
 158 
 159     public void appendAutoScrollTest() {
 160         test = 3;
 161         setFocusOnButton();
 162         selectionText = "55";
 163         textArea.append("appendScroll");
 164         doubleClick();
 165     }
 166 
 167     public void dispose() {
 168         frame.dispose();
 169     }
 170 
 171     public static void main(String[] args) {
 172         AutoScrollOnSelectAndAppend test = new AutoScrollOnSelectAndAppend();
 173         test.selectAutoScrollTest1();
 174         test.selectAutoScrollTest2();
 175         test.appendAutoScrollTest();
 176         test.dispose();
 177     }
 178 }